Validation of the Pain Relief Measure

  • STATUS
    Recruiting
  • End date
    Mar 28, 2023
  • participants needed
    100
  • sponsor
    Wilderman Medical Clinic
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Updated on 12 April 2022
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pain relief

Summary

The purpose of this study is to provide evidence for the empirical and clinical utility of a novel pain relief measure, the IPR, dimensions of which will be validated against the present gold standards for pain measurement.

Description

There are a number of validated unidimensional and multidimensional tools used to measure pain levels. The present widely used in clinical practice standard measure of pain relief in patients experiencing acute or chronic pain is a change in the numerical rating scale (NRS) score. NRS is a unidimensional scale that requires patients to mark their pain level from 0 (no pain) to 10 (worst pain). The NRS provides practitioners with pain levels pre-and-post treatment and is used as an indication of treatment efficacy. A significant limitation of the NRS, however, is that it provides an estimation of a single dimension of pain, pain intensity. Pain and pain relief, on the other hand, may have many dimensions including pain intensity, duration and magnitude of pain relief. Current multidimensional measures fail to capture duration of pain relief, thus there is a necessity to improve pain assessment tools. The integral of pain relief (IPR) is a novel two-dimensional measure of pain relief and duration of pain relief following treatment and may provide a more accurate depiction of post-treatment pain as well as intervention effectiveness. In this prospective cohort study, we intend to assess the validity of the IPR using validated measures of change in pain intensity (NRS), and the Patients' Global Impression of Change (PGIC) as well as The Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) in patients treated with corticosteroid injections for the osteoarthritis of knee joint.

The primary objectives of this study include:

  • Compare pre- and post-treatment scores of the i) IPR dimensions (post-treatment), ii) NRS (pre- and post-treatment), iii) PGIC (post-treatment), and iv) WOMAC (pre- and post-treatment) in patients with knee osteoarthritis treated with intra-articular corticosteroid injections.
  • Provide preliminary validation for the Integral of Pain Relief as a clinical assessment tool of post-treatment pain relief and treatment efficacy.

Secondary objectives of this study include:

  • Assess whether baseline patient characteristics such as pre-treatment pain intensity score, disease-associated pain duration, age, gender, co-morbidity with diabetes, symptoms of either depression or anxiety, or both, litigation status, occupation, and level of education are important predictors to responses on the four pain outcome measures.
  • Assess patients' impression of their usage of the daily pain diary versus providing the percentage and duration of pain relief at follow up time points.

Details
Condition Chronic Pain
Clinical Study IdentifierNCT05294432
SponsorWilderman Medical Clinic
Last Modified on12 April 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Given written Informed Consent to participate in the study
Male or female ≥40 years of age
Diagnosis of unilateral or bilateral OA of the knee for at least 6 months prior to Screening requiring the use of regular therapies
If bilateral OA exists, pain in the contralateral knee must be less than pain in the index knee as reported by patient
Index knee pain on most days (>15) over the last month
Mean score of ≥4 and ≤9 on the 24-hr average pain score (0-10 NRS) using the average daily ratings at least 5 out of 7 days prior to Day 1(Baseline)
Have been prescribed and scheduled to receive at least one corticosteroid (triamcinolone) injection to the affected knee
Willingness and ability to comply with the study procedures and visit schedules and the ability to follow verbal and written instructions

Exclusion Criteria

Lack of signed Informed Consent Form
Age less than 40 years old
Have any contraindications to administration of corticosteroid medication by intra-articular injection
Patients with diagnoses of fibromyalgia, chronic pain syndrome, or other concurrent medical or arthritic conditions which could interfere with the evaluation of the index knee
Patients with diagnoses of rheumatoid arthritis, psoriatic arthritis, or any other form of inflammatory arthritis
Planned/anticipated surgery in the affected area within 3 months during the study period
Previous intra-articular corticosteroid injection into the index joint within 3 months prior to Screening
Concomitant treatment with corticosteroid or other injections into the index joint (e.g. prolotherapy) within 3 months during the study period
Concomitant treatment with oral or topical (to the index knee) corticosteroids within 3 months during the study period (except inhaled, intranasal, or topical applied not to the index knee)
Any other investigational drug/biologic applied to affected area within 3 months during the study period
Diagnosis of dementia or other cognitive impairments that would preclude questionnaires completion
Any clinically significant acute or chronic medical conditions that, in the judgment of Investigator, would preclude the use of corticosteroid injections or that could compromise patient safety, limit the patient's ability to complete the study, and/or compromise the objectives of the study
Participation in any other clinical study within 3 months prior to Screening and during the study period
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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